High Wear Resistance – Made from strong bronze alloys, the sleeve bearing maintains smooth operation under heavy load and long-term use.
Self-Lubricating Design – Oil-impregnated or graphite-filled types reduce friction and allow maintenance-free performance.
Corrosion & Heat Resistance – Works reliably in humid, chemical, or high-temperature environments.
Customizable Structure – Support for custom sleeve bearings with grooves, flanges, or special coatings.
High Load Capacity – Excellent strength and impact resistance make it ideal for industrial machinery.
Long Service Life – Durable, low-maintenance, and cost-effective - trusted by global wholesale bronze bushing buyers.
Manufacturing Process & Technology of Bronze Bearings
Material Selection – High-quality tin bronze and aluminum bronze alloys are chosen for strength and durability.
Powder Metallurgy – Fine bronze powder is pressed and sintered to produce precise, self-lubricating bushings.
Centrifugal Casting – Ensures high density and defect-free sleeve bearings for heavy-duty applications.
Continuous Casting – Provides consistent quality and uniform structure for wholesale bronze bushings.
CNC Machining – Advanced equipment guarantees accurate dimensions and perfect surface finish.
Oil Impregnation – Porous structures are filled with lubricating oil for maintenance-free operation.
Graphite Plug Embedding – Solid lubricant plugs reduce friction under extreme conditions.
Heat Treatment – Improves hardness, wear resistance, and fatigue strength of the sleeve bearings.
Surface Coating – Options like phosphating or tin plating enhance corrosion protection.
Quality Inspection – Each custom bronze sleeve bearing is tested for hardness, density, and precision before shipment.
Bronze Bushings Ingredient List
| Material | Material grade | Chemical composition (mass fraction)/% | Minimum | densityD /g.cm³ |
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| Radial crushing strength K | Oil contentP₁ | ||||||||
| element | Minimum | Maximum | 10³psi | MPa | (Volume fraction)/% | Minimum | Maximum | ||
| Bronze (low graphite) | CT-1000-K19 | Copper, tin, graphite, other |
Margin 9.5 0 0 |
Margin 10.5 0.3 2.0 |
19 | 130 | 24 | 6.0 | 6.4 |
| CT-1000-K26 | 26 | 180 | 19 | 6.4 | 6.8 | ||||
| CT-1000-K37 | 37 | 260 | 12 | 6.8 | 7.2 | ||||
| CT-1000-K40 | 40 | 280 | 9 | 7.2 | 7.6 | ||||
| Bronze (Medium Graphite) | CTG-1001-K17 | Margin 9.5 0.5 0 |
Margin 10.5 1.8 2.0 |
17 | 120 | 22 | 6.0 | 6.4 | |
| CTG-1001-K23 | 23 | 160 | 17 | 6 | 7 | ||||
| CTG-1001-K30 | 30 | 210 | 9 | 7 | 7 | ||||
| CTG-1001-K34 | 34 | 230 | 7 | 7 | 8 | ||||
| Bronze (high graphite) | CTG-1004-K10 | Margin 9.2 2.5 0 |
Margin 10.2 5.0 2.0 |
10 | 70 | 11 | 6 | 6 | |
| CTG-1004-K15 | 15 | 100 | ③ | 6 | 7 | ||||
|
①These data are based on finished material. ②Oil-containing. The density of the oil is assumed to be 0.875 g/cm³. |
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Bronze Bushings Applications
Construction and Heavy Machinery
Bronze bushing are widely used in excavators, loaders, cranes, and other heavy-duty construction equipment. Their strong load-bearing capacity and resistance to impact make them ideal for pivot joints, boom linkages, and arm hinges. Many bronze bushing manufacturers offer reinforced aluminum bronze types designed specifically for high-load environments.
Automotive and Transportation Industry
Bronze bushes are used in steering systems, suspension joints, transmission housings, and brake components. Their corrosion resistance and stability at elevated temperatures make them ideal for harsh automotive environments. Many wholesale bronze bushing suppliers provide customized options for electric vehicles, trucks, and marine engines.
Metallurgical and Mining Equipment
In steel plants, conveyors, and ore crushers, bronze bushing withstand extreme pressure, heat, and contamination. Their ability to maintain structural integrity under shock loads ensures longer service life and stable operation in continuous production systems.
Agricultural and Forestry Machinery
From tractors and harvesters to sawmill equipment, bronze sleeve bearings provide low-friction movement in dusty and high-vibration environments. Their maintenance-free design reduces downtime and increases operational efficiency for agricultural machinery.
Wholesale Bushings Factory
We offer a wide range of bushing types, including copper alloys (bronze, lead bronze, and aluminum bronze), brass, stainless steel, graphite-filled, and oil-impregnated.
We are ISO 9001:2015 and IATF 16949:2016 certified.
This gives us an advantage in both wholesale bronze bushings and large-volume custom bronze bushings: you can rely on stable production capacity and delivery capabilities.
Large enterprise scale
wide application of technology
high-quality customized services
certificate
FAQ
1. What materials do you use for bronze bearings?
We mainly use high-quality bronze alloys such as tin bronze (C93200), aluminum bronze (C95400), and lead bronze. Each type is selected according to load, speed, and working environment. As a professional bronze bushing manufacturer, we also support material customization.
2. Can you produce according to our drawings or samples?
Yes. We specialize in custom bronze bushings based on customer drawings or physical samples. Our engineering team can assist in design optimization to ensure perfect fit and performance.
3. What is your minimum order quantity (MOQ)?
For standard sizes, we support low MOQ orders. For wholesale bronze bushing or OEM production, the MOQ can be adjusted according to the product type and processing requirements.
4. What kind of surface treatments are available?
We offer several options such as graphite embedding, oil impregnation, phosphating, and precision machining. These treatments enhance wear resistance, lubrication, and corrosion protection.
5. Do bronze bearings Bushings require lubrication?
Most of our bronze bushings are self-lubricating, especially graphite or oil-impregnated types. However, in high-speed or heavy-load applications, additional lubrication can improve service life.
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